CN106015720B - A kind of intelligent pipeline leak stop - Google Patents
A kind of intelligent pipeline leak stop Download PDFInfo
- Publication number
- CN106015720B CN106015720B CN201610574879.XA CN201610574879A CN106015720B CN 106015720 B CN106015720 B CN 106015720B CN 201610574879 A CN201610574879 A CN 201610574879A CN 106015720 B CN106015720 B CN 106015720B
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- mainboard
- shell
- valve body
- ball valve
- sensor
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- 239000000463 material Substances 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 33
- 238000001514 detection method Methods 0.000 description 4
- 230000001012 protector Effects 0.000 description 4
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 230000003442 weekly effect Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
- B01D35/046—Plug, tap, or cock filters filtering elements mounted in or on a faucet the filtering element being mounted in the faucet plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pipeline Systems (AREA)
- Examining Or Testing Airtightness (AREA)
- Safety Valves (AREA)
Abstract
A kind of intelligent pipeline leak stop, including ball valve body, the valve regulator being arranged at the top of ball valve body, the mainboard that is arranged at the top of valve regulator and it is used for fixing ball valve valve body, the shell of valve regulator and mainboard, the ball valve body both ends are pipe screw thread, one end is connected with loose joint pipe fitting, the other end is equipped with filter screen, the left end of the ball valve body is equipped with flow sensor, the right end of the ball valve body is equipped with temperature sensor, it is equipped with pressure sensor at the top of the ball valve body, the flow sensor, temperature sensor, pressure sensor, valve regulator and LED Folding-Screen are connect by conducting wire with mainboard respectively, the button is connected with the button member on mainboard, the mainboard is connect by conducting wire with power supply.The invention has the advantages that examinations can be carried out to household water hydraulic pressure, flow, water temperature, intelligent decision family whether leak, control software remote control is convenient and safe.
Description
Technical field
The present invention relates to household water protective device technical fields, and in particular to a kind of intelligent pipeline leak stop.
Background technology
With the promotion of people's living standard, household water gradually causes safely the attention of people.Household water leakage in addition to
It is the waste to water resource, can also breaks ring home decoration, influences other people and live, cause great security risk and economic loss.
General home pipeline can be arranged total valve, but the valve can only manual switch, if water leakage situation occurs for family, valve can not
It is automatically closed, causes any property loss.And now with the development of smart home, household products intelligence becomes the heat of society
Point, how convenient control household products, intelligent protection household water Electrical Safety problem are concerned.
The present invention from solve home pipeline explosion, water equipment failure, forget close the problems such as caused by leakage hidden trouble set out, together
When combine smart home development trend, develop a easy for installation, flexible, the cost-effective intelligent pipeline leak protection of manipulation
Device.
Invention content
For seepy question existing in the prior art, the present invention provides a kind of reasonable for structure, safe and convenient intelligence
Pipe leakage protector.
Technical scheme is as follows：
A kind of intelligent pipeline leak stop, which is characterized in that including ball valve body, the ball being arranged at the top of ball valve body
Valve control, the mainboard being arranged at the top of valve regulator and the shell for fixing ball valve valve body, valve regulator and mainboard,
The ball valve body both ends are pipe screw thread, and one end is connected with loose joint pipe fitting, and the other end is equipped with filter screen, the ball valve
The left end of valve body is equipped with flow sensor, and the right end of the ball valve body is equipped with temperature sensor, the ball valve
It is equipped with pressure sensor at the top of body, the shell includes shell protecgulum, shell left cover, shell right cover and outer casing upper cover,
The shell left cover is equipped with the LED Folding-Screen for showing information, and the shell protecgulum is equipped with the button for adjusting manually, institute
It states flow sensor, temperature sensor, pressure sensor, valve regulator and LED Folding-Screen to connect with mainboard by conducting wire respectively, institute
It states button to connect with the button member on mainboard, the mainboard is connect by conducting wire with power supply.
A kind of intelligent pipeline leak stop, which is characterized in that the filter screen uses the material of stainless steel,
Mesh number ranging from 60-100 mesh.
A kind of intelligent pipeline leak stop, which is characterized in that the valve regulator uses motor-operated control valve
Or solenoid electric valve, switch periods 13-26s.
A kind of intelligent pipeline leak stop, which is characterized in that the temperature sensor senses ranging from -55-
125℃。
A kind of intelligent pipeline leak stop, which is characterized in that tongue tube is equipped in the flow sensor, when
Hydraulic pressure when flow flows in valve body promotes tongue tube generation slight displacement to be connected with system line, and the range of sensitivity is in 60-
300 ml/min。
A kind of intelligent pipeline leak stop, which is characterized in that the mainboard bottom is equipped with for completely cutting off steam
Plastic plate, and three-proofing coating is coated on mainboard.
A kind of intelligent pipeline leak stop, which is characterized in that the shell left cover passes through card with shell right cover
The mode of button and threaded post connects, and shell protecgulum can be inserted directly by the sliding slot being arranged on the inside of shell left cover and shell right cover
Enter, outer casing upper cover is fixed in a snap-in manner, and groove is opened up on the outside of the shell left cover and shell right cover, coordinates in groove and sets
Set elastic card band.
A kind of intelligent pipeline leak stop, which is characterized in that the mainboard can be manually controlled by button or
Remote control is carried out by software.
A kind of intelligent pipeline leak stop, which is characterized in that the LED screen can show flow sensor,
The data information of temperature sensor and pressure sensor.
A kind of intelligent pipeline leak stop, which is characterized in that the mainboard can automatically control ball valve control
The action of device.
The invention has the advantages that examinations, intelligent decision man can be carried out to household water hydraulic pressure, flow, water temperature
Front yard whether leak, control software remote control is convenient and safe.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
In figure：1, shell protecgulum, 2, filter screen, 3, button, 4, temperature sensor, 5, flow sensor, 6, ball valve body,
7, pressure sensor, 8, LED screen, 9, valve regulator, 10, shell left cover, 11, shell right cover, 12, mainboard, 13, on shell
Lid.
Specific implementation mode
Below in conjunction with Figure of description, present invention is further described in detail.
As shown in Figure 1, a kind of intelligent pipeline leak stop, including shell protecgulum 1, filter screen 2, button 3, temperature sensing
Device 4, flow sensor 5, ball valve body 6, pressure sensor 7, LED screen 8, valve regulator 9, shell left cover 10, shell right cover
11, mainboard 12 and outer casing upper cover 13.Shell includes shell protecgulum 1, shell left cover 10, shell right cover 11 and outer casing upper cover 13, outside
Shell left cover 10 is connect with shell right cover 11 by way of buckle and threaded post, and shell protecgulum 1 can be directly by being arranged outside
The sliding slot of shell left cover 10 and the inside of shell right cover 11 is inserted into, and outer casing upper cover 13 is fixed in a snap-in manner, shell left cover 10 and outer
Shell right cover 11 is equipped with groove, is equipped with elastic card band in groove, elastic card band makes shell left cover 10 and shell right cover 11
Between connect it is even closer.Shell is safe and reliable using this assembly method, and dismounting is convenient, is convenient for later maintenance, wherein shell
The selection of material is fire-retardant V-0 grades of ABS（Acrylonitrile-butadiene-styrene copolymer）Material, elastic card band select thermoplastic elastic
Body.LED screen 8 is mounted in shell left cover 10, is used for the currently used status information of display pipes leak stop, is increased production
Facilitate the interaction for carrying out man-machine information while product aesthetics.Button 3 is arranged on shell protecgulum 1 convenient in no WIFI（It is a kind of
Electronic equipment is allowed to be connected to the technology of a WLAN）Pipe leakage protection can be directly controlled in the case of signal manually
The use of device.Monolithic case designs the aesthetic standards for meeting people, is easier to be received by the market.Ball valve is installed on ball valve body 6
Controller 9, temperature sensor 4, flow sensor 5 and pressure sensor 7, and each sensor is anti-with signal in place is executed
Feedback and fault self-checking function.The both ends of ball valve body 6 are designed for pipe screw thread, can directly by slip-knot pipe fitting access conduit, and
Port is equipped with filter screen 2, prevents impurities in water from damaging pipe leakage protector, filter screen 2 uses the material of stainless steel, according to water
The particle size of middle impurity selects mesh number ranging from 60-100 mesh；6 overall material of ball valve body is brass, and shot blasting on surface is handled,
Beautiful air.The design of valve regulator 9 is convenient for intelligentized control method valve, valve regulator 9 to select motor-operated control valve or electromagnetism
Control valve, Rated motor voltage are DC12V, and driving torsion is 3Nm, switch periods 13-26s.Flow sensor 5 accurate can be examined
Water flowing flow is surveyed, flow sensor 5 is equipped with tongue tube, and when flow flows, it is subtle that the hydraulic pressure in valve body promotes tongue tube to occur
Displacement is connected with system line, the beginning timing of mainboard 12, the range of sensitivity in 60-300 mL/min, feed back to mainboard 12 into
Row processing.Pressure sensor 7 can detect pressure size in water in real time, accurate judgement, rapid feedback information；When pipeline is in no pressure
When state, its can be made to close valve to mainboard 12 by feedback information rapidly, protect water equipment and prevent water resource waste.Temperature
Sensor 4 can detect water flow temperature, and for 4 induction range of temperature sensor at -55-125 DEG C, precision is ± 1 DEG C, can allow user with
When understand temperature, when the temperature is too low, anti-tap water pipe burst can be carried out in advance and prepared.Mainboard 12 and LED screen 8, valve regulator
9, flow sensor 5, pressure sensor 7 and temperature sensor 4 are connected by conducting wire, and with control software by WIFI signal into
The interaction of row information, intelligent control.In addition it is directed to the more moist use environment of pipe leakage protector, 12 spy of mainboard prevents
Tide processing, and plastic plate is installed below mainboard 12, hermetic section steam.Control software is provided with mark according to the demand of user
Quasi-mode, pattern of going on business and self-defined pattern, user may be used also while capable of understanding household water situation in real time by control software
Select water-use model, control software that can pass through WIFI or GPRS according to actual conditions（General packet radio service technology）Etc. forms
It is transmitted to mainboard 12, then controls the use state of integrated piping leak stop by mainboard 12.
The device is fitted by loose joint pipe fitting in the pipeline that family registers one's residence after water meter, after plugging in, flow sensing
Device 5, pressure sensor 7 and temperature sensor 4 are started to work, and the data such as acquisition water-flowing amount, hydraulic pressure, water temperature are passed by mainboard 12
It is sent in control software and LED screen 8, user can use control software or button 3 to select different water-use models according to demand, main
Plate 12 can judge whether to need to control the closing valve of valve regulator 9 according to the content that control software or button 3 are set.Work as generation
When leak, the water flowing time is more than user's setting time, and pipe leakage protector judges that leak, automatic-closing valve occurs in it.This
Outer Tube leak stop also has following function：Valve is primary per weekly assembly automatic switch, prevents valve locking；Cell is cut off the water
When, valve no pressure can be automatically closed, protect household equipment and avoid because cut off the water forget to turn off the tap caused by household water waste；
When water temperature is too low, data are transmitted to control software by temperature sensor 4 by mainboard 12, remind user to carry out pipeline low temperature anti-
Sudden and violent work.Mainboard 12 uses PCB（Printed circuit board）, host work center CPU is 32 ARM processing chips, newest using ARM
The Cortex-M3 cores of framework, built-in quick interrupt control unit, provide superior real-time；Peripheral hardware has two tunnels advanced
Peripheral hardware general line, and the peripheral hardware being wherein connected to all the way in the general line can be run with higher speed；Inline power monitor,
WatchDog Timer and RC oscillator house dogs including electrification reset, low voltage test, detection of power loss and clock are low
Frequency RC circuits etc.；Three-proofing coating is coated on PCB, prevent circuit board using when affected by moisture get rusty.Signal detection is according to difference
User demand and handling characteristics, are divided into different classes of in wired, power carrier or wireless exploration three, can carry out flowing water detection, disconnected
Water detection, valve detect in place, actuator and valve body fault detect etc..Remote control can pass through cell phone software, short message, computer visitor
The real-time parameter that family end, web modes carry out system checks, sets and management configuration.
Embodiment：
It is the black ABS of V-O ranks that shell, which selects flame retardant rating, and Spring Card band selects green thermoplastic elastomer (TPE), shell
It is assembled by the connection type of screw thread and buckle.4 sensitivity of flow sensor is set as 200ml/min, and 2 mesh number of filter screen is selected
80 mesh, valve regulator 9 select safe and reliable motor-operated control valve, it is contemplated that the service life of product, final selected switch week
Phase is 20s.The leak stop is fitted by loose joint pipe fitting in the pipeline that family registers one's residence after water meter, is plugged in, flow
Sensor 5, pressure sensor 7 and temperature sensor 4 are started to work, and the data such as acquisition water-flowing amount, hydraulic pressure, water temperature pass through mainboard
12 are transmitted on cell phone software, and user can select different water-use models, mainboard 12 can basis on cell phone software according to demand
The content of cell phone software setting judges whether that needing to control valve regulator 9 closes valve.When leak occurs, the water flowing time is super
User's setting time is crossed, leak stop judges that leak, automatic-closing valve occurs in it.Water temperature detects, and low temperature booster prevents：Temperature
Degree sensor 4 can detect water flow temperature, and user is made to understand tap water temperature at any time, when temperature is less than 2 DEG C, leak stop meeting
Automatic alarm reminds user to carry out explosion stack preparation in advance, and valve is primary per weekly assembly automatic switch, prevents valve locking.
Claims (6)
1. a kind of intelligent pipeline leak stop, which is characterized in that including ball valve body（6）, be arranged in ball valve body（6）Top
The valve regulator in portion（9）, be arranged in valve regulator（9）The mainboard at top（12）And it is used for fixing ball valve valve body（6）, ball
Valve control（9）And mainboard（12）Shell, the ball valve body（6）Both ends are pipe screw thread, and one end connects with loose joint pipe fitting cooperation
It connects, the other end is equipped with filter screen（2）, the ball valve body（6）Left end be equipped with flow sensor（5）, the ball
Valve body（6）Right end be equipped with temperature sensor（4）, the ball valve body（6）Top be equipped with pressure sensor
（7）, the shell includes shell protecgulum（1）, shell left cover（10）, shell right cover（11）And outer casing upper cover（13）, the shell
Left cover（10）It is equipped with the LED Folding-Screen for showing information（8）, the shell protecgulum（1）It is equipped with the button for adjusting manually
（3）, the flow sensor（5）, temperature sensor（4）, pressure sensor（7）, valve regulator（9）And LED Folding-Screen（8）Respectively
Pass through conducting wire and mainboard（12）Connection, the button（3）With mainboard（12）On button member connect, the mainboard（12）
It is connect with power supply by conducting wire；
The valve regulator（9）Using motor-operated control valve or solenoid electric valve, switch periods 13-26s；
The temperature sensor（4）Induction range is -55-125 DEG C；
The flow sensor（5）Interior to be equipped with tongue tube, it is subtle that the hydraulic pressure when flow flows in valve body promotes tongue tube to occur
Displacement is connected with system line, and the range of sensitivity is in 60-300 ml/min；
The mainboard（12）Button can be passed through（3）It manually controls or remote control is carried out by software.
2. a kind of intelligent pipeline leak stop according to claim 1, which is characterized in that the filter screen（2）Using
The material of stainless steel, mesh number ranging from 60-100 mesh.
3. a kind of intelligent pipeline leak stop according to claim 1, which is characterized in that the mainboard（12）Bottom is set
It is useful for the plastic plate of isolation steam, and mainboard（12）On be coated with three-proofing coating.
4. a kind of intelligent pipeline leak stop according to claim 1, which is characterized in that the shell left cover（10）With
Shell right cover（11）It is connected by way of buckle and threaded post, shell protecgulum（1）It can be directly by being arranged in shell left cover
（10）And shell right cover（11）The sliding slot of inside is inserted into, outer casing upper cover（13）It fixes in a snap-in manner, the shell left cover
（10）And shell right cover（11）Outside open up groove, elastic card band is equipped in groove.
5. a kind of intelligent pipeline leak stop according to claim 1, which is characterized in that the LED screen can be shown
Flow sensor（5）, temperature sensor（4）And pressure sensor（7）Data information.
6. a kind of intelligent pipeline leak stop according to claim 1, which is characterized in that the mainboard（12）It can be certainly
Dynamic control valve regulator（9）Action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574879.XA CN106015720B (en) | 2016-07-21 | 2016-07-21 | A kind of intelligent pipeline leak stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574879.XA CN106015720B (en) | 2016-07-21 | 2016-07-21 | A kind of intelligent pipeline leak stop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015720A CN106015720A (en) | 2016-10-12 |
| CN106015720B true CN106015720B (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610574879.XA Active CN106015720B (en) | 2016-07-21 | 2016-07-21 | A kind of intelligent pipeline leak stop |
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| Country | Link |
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| CN (1) | CN106015720B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386380A (en) * | 2017-08-11 | 2017-11-24 | 浙江天池市政建设有限公司 | A kind of municipal sewage pipe network protection structure and its construction method |
| CN107701755A (en) * | 2017-11-15 | 2018-02-16 | 潘绍兵 | A kind of valve with pipeline leakage detection device |
| CN108387285A (en) * | 2018-02-28 | 2018-08-10 | 上海康斐信息技术有限公司 | Pass through the water meter judgement method and system that water is abnormal and stops loss in time |
| CN109404744B (en) * | 2018-12-18 | 2024-01-16 | 杨启敖 | Water leakage protection device with pre-filtering function |
| CN109404745B (en) * | 2018-12-18 | 2024-04-05 | 杨启敖 | Water leakage protector with ultrasonic wave |
| CN111772483B (en) * | 2020-06-30 | 2022-03-25 | 中车青岛四方机车车辆股份有限公司 | Control method and device of water dispenser |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8833384B2 (en) * | 2012-08-06 | 2014-09-16 | Schneider Electric Buildings, Llc | Advanced valve actuation system with integral freeze protection |
| US9841122B2 (en) * | 2014-09-09 | 2017-12-12 | Honeywell International Inc. | Gas valve with electronic valve proving system |
| US9645584B2 (en) * | 2014-09-17 | 2017-05-09 | Honeywell International Inc. | Gas valve with electronic health monitoring |
| CN205841949U (en) * | 2016-07-21 | 2016-12-28 | 浙江伟星新型建材股份有限公司 | A kind of intelligent pipeline leak stop |
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2016
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An intelligent pipeline leakage protector Effective date of registration: 20210917 Granted publication date: 20180810 Pledgee: Industrial and Commercial Bank of China Limited Linhai Branch Pledgor: ZHEJIANG WEIXING NEW BUILDING MATERIALS Co.,Ltd. Registration number: Y2021330001688 |
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